Kubuntu 22.04 LTS kclock 23.04.2 Snap starts and renders GUI but timers and alarms not available due to associated kclockd service failing to start.
Syslog error message: qt.qpa.plugin: Could not find the Qt platform plugin “xcb” in “”
Not sure if relevant but starting the app with QT_DEBUG_PLUGINS=1 only references libqxcb.so - not libxcb.so